TY  - GEN
AU  - Pratt, Douglas R
TI  - Basic of model rocketry
SN  - 0890241422
U1  - 621.4356 
PY  - 1995///
CY  - Waukesha
PB  - Kalmbach Pub.
KW  - Engineering - Aeronautical
KW  - Rockets - Models
ER  -